From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Calculations for the 'Seagull' valve rocker exact lift, referencing drawing No.LeC.1671.
| Identifier | ExFiles\Box 72\1\ scan0170 | |
| Date | 19th January 1923 | |
| X.9060 To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. to CJ. c. to Hs.{Lord Ernest Hives - Chair} E1/M19.1.23. "SEAGULL" VALVE ROCKER. CALCULATIONS FOR EXACT LIFT. X.9090 X.9060 We send herewith drawing No.LeC.1671 shewing the above. E.{Mr Elliott - Chief Engineer} | ||